"""
Tubsonlarni chiqarish.
"""


X = int(input('Raqamni kiriting: '))
print('Siz kirgizgan son:', X)

for i in range(2, X):
    if X % i == 0:
        TUB_EMAS = True

if TUB_EMAS == True:
    print('Tub emas')
else:
    print("TUB")

